Sell C&S Seafood and Oyster Bar gift cards on the Raise gift card marketplace. C&S Seafood and Oyster Bar gift cards sell the fastest when discounted between 2% and 20%, but the asking price is up to you. When you sell unwanted gift cards, we'll send you cash back to use at other stores. Check to see if your C&S Seafood and Oyster Bar gift card expires, and simply enter the retailer's information below on the Raise Sell Gift Card form.